I have little problem with IVF in and of itself. It's helped make loving parents of people who otherwise could not conceive However, it can lead to some very messy details like excess embryos. One possible answer to the overabundance of embryos is to donate them to other couples who want and cannot have children. But then you have the possibility of the couple being dissatisfied with the outcome and demanding that the biological parents take the child back or some such nonsense. I can see the problems, alas, not the answers.
There is a program like the one you describe, called "Snowflakes". I pulled up a news article on Nexis, which says that between the founding of the Snowflakes program in 1997 and January of 2006, they had "placed" 99 embryos.
99. There are estimated to be about 400,000 excess embryos out there right now. I suggest a supply/demand imbalance.